The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1994
Filed:
Oct. 26, 1992
Applicant:
Inventors:
Akira Onodera, Hino, JP;
Yasushi Usagawa, Hino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430264 ; 430598 ;
Abstract
There is disclosed a silver halide photographic light-sensitive material containing a compound represented by the following formula. The photographic material provides sufficiently high contrast images using a stable developer having a low pH value. The photographic material also provides a direct-positive type photographic material improved in image quality and storage stability. ##STR1##
Onodera, Akira. (1994). Silver halide photographic light sensitive material (U.S. Patent No. 5279920). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5279920
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile